P1244 Code - Alternator Load Input Failed High
Quick Answer
The P1244 diagnostic trouble code indicates that the alternator load input has failed high, meaning that the voltage signal from the alternator is higher than expected. Common causes include Faulty alternator, Damaged or corroded wiring, Malfunctioning voltage regulator. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P1244 indicates Alternator Load Input Failed High.
- Common causes
- Common causes include Faulty alternator, Damaged or corroded wiring, Malfunctioning voltage regulator.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code P1244 Description
The P1244 diagnostic trouble code indicates that the alternator load input has failed high, meaning that the voltage signal from the alternator is higher than expected. This could be caused by a variety of issues, such as a faulty alternator, damaged wiring, or a malfunctioning voltage regulator. When this code is triggered, it can affect the vehicle's electrical system and charging capabilities, potentially leading to a dead battery or other electrical issues if not addressed promptly.
Common Causes of P1244
- Faulty alternator
- Damaged or corroded wiring
- Malfunctioning voltage regulator
- Loose or damaged alternator belt
- Issues with the battery connections
Symptoms of P1244
- Dimming or flickering headlights
- Battery warning light illuminated on the dashboard
- Difficulty starting the vehicle
- Electrical accessories not functioning properly
- Engine stalling or running rough
How to Fix P1244
- Diagnose the issue using a multimeter to test the alternator's output voltage.
- Inspect the wiring and connections for any damage or corrosion.
- Check the alternator belt for proper tension and signs of wear.
- Test the voltage regulator for proper function.
- Replace any faulty components, such as the alternator, voltage regulator, or wiring as needed.
Cost to Fix P1244
The cost to repair a P1244 code can vary depending on the specific cause of the issue and the type of vehicle. On average, the cost of parts for an alternator replacement can range from $200 to $600, while labor costs can range from $100 to $300. Keep in mind that diagnostic time and labor rates at auto repair shops can vary, so it's recommended to get a specific estimate based on your location and vehicle.
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Code P1244 Information for Specific Makes
- P1244 Acura — Closed Throttle Position Insufficient
- P1244 Audi — Injector Circuit Open Cylinder 8
- P1244 BMW — Fuel Pump Emergency Shutoff
- P1244 Chevrolet — Injector 8 Output Circuit
- P1244 Ford — Alternator Load Input Failed High
- P1244 GMC — Injector 8 Output Circuit
- P1244 Honda — Closed Throttle Position Insufficient
- P1244 Jaguar — Barometric Pressure Sensor Range/Performance
- P1244 Lincoln — Alternator Load Input Failed High
- P1244 Mazda — Alternator Load Input Failed High
- P1244 Mercury — Alternator Load Input Failed High
- P1244 MINI — Fuel Pump Emergency Shutoff
- P1244 Mitsubishi — RAM Test For All Area
- P1244 Subaru — Wastegate Control Solenoid Valve Malfunction Low Input
- P1244 Volkswagen — Injector Circuit Open Cylinder 8
Frequently Asked Questions about P1244 Code
1. What does OBDII code P1244 mean?
P1244 indicates that the Powertrain Control Module (PCM) has detected an issue with the alternator load input signal being higher than expected.
2. What are the common symptoms of code P1244?
Symptoms include battery charging issues, dim or flickering headlights, electrical system malfunctions, and possibly an illuminated Check Engine Light.
3. What causes P1244 to appear?
The code can be triggered by a faulty alternator, a bad alternator load input circuit, corroded or damaged wiring, or a malfunctioning PCM.
4. Can a bad alternator cause code P1244?
Yes, a failing alternator can cause this code if it sends incorrect load signals to the PCM.
5. How do I diagnose P1244?
Start by inspecting the alternator, battery, and related wiring for damage or corrosion. Then test the alternator load input circuit and verify proper voltage levels.
6. Can I drive my car with code P1244?
Driving with this code is not recommended as it could lead to battery drain or electrical system failure, leaving you stranded.
7. How is P1244 fixed?
Repairs may involve replacing the alternator, repairing damaged wiring or connectors, or in rare cases, reprogramming or replacing the PCM.
8. Can a weak battery trigger code P1244?
Yes, a weak or failing battery can cause abnormal alternator load signals, potentially triggering this code.
9. How much does it cost to fix code P1244?
The repair cost depends on the root cause but typically ranges from $100 for wiring repairs to $500 or more for alternator replacement.
10. How can I prevent code P1244 from recurring?
Regular maintenance of the battery, alternator, and electrical system can help prevent this code from appearing in the future.
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